High percent of DDT in lakes lead to fish mortality (a) name this phenomenon, (b) define this phenomenon, (c) will the percent of chemicals increase in successive trophic levels? Explain.
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Lethargy causes you to feel sleepy or fatigued and sluggish. This sluggishness may be physical or mental. People with these symptoms are described as lethargic. Lethargy can be related to an underlying physical or mental condition.
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